## structure: Si O2
## chem name: Silicon oxide
## space group: PA-3 (205)
## crystal system: cubic
## unit cell: 3.9299 3.9299 3.9299 90.0 90.0 90.0 (A) (deg)

##  H  K  L   D (A)    

    1  1  1    2.2689  
    2  0  0    1.9649  
    2  1  0    1.7575  
    2  1  1    1.6044  
    2  2  0    1.3894  
    2  2  1    1.3100
    2  3  2    0.9531